McCrea’s ClimateCare · Renfrew & Arnprior Area
Explore a different way to heat and cool your home. A geothermal heat pump uses electricity to move heat between your home and the ground, providing heating in winter and cooling in summer.
Replacing an existing system or planning a new home? Talk with McCrea’s about your property, current heating setup, and whether geothermal belongs on your shortlist.
Prefer to talk? Call (613) 432-9739. Have your location and current heating fuel ready.
Understanding ground-source heat pumps
Below the surface, ground temperatures change less dramatically than outdoor air temperatures. A geothermal heat pump uses this more stable source to exchange heat with the ground—bringing heat into your home in winter and carrying it out in summer.
In a closed-loop system, fluid circulating through buried pipes absorbs heat from the ground. The heat pump uses an electrically powered compressor to raise that heat to a useful temperature for heating your home.
The system reverses the heat-transfer process. It removes heat from your home and transfers it through the ground loop into the earth. With a suitable forced-air system, it also removes moisture from the indoor air as it cools.
Ground-source does not mean electricity-free. The compressor, circulation pumps, and any fans use electricity. Operating costs depend on the home, system design, electricity rates, and any supplemental heating required.
Your home. Your land. Your heating needs.
Acreage is only one part of the decision. A useful assessment considers your property, the home itself, your existing equipment, and what you want to achieve by making a change.
Your property
Open land may provide options for a ground loop, but the layout also needs to account for soil and rock conditions, equipment access, and existing or planned uses of the property.
Share: The locations of wells, septic systems, outbuildings, buried services, and areas you want to preserve or develop.
Your home
Floor area alone does not determine system size. Insulation, windows, air leakage, and the home's layout all affect heating and cooling needs. Planned renovations should be part of the discussion.
Share: Your home's approximate size and age, comfort problems, and any planned insulation upgrades or additions.
Your existing equipment
Existing ductwork or hydronic heating needs review for compatibility with the proposed system. Electrical capacity, equipment space, and cooling requirements also affect the plan.
Share: Whether you use a furnace, boiler, electric baseboards, or another system, and whether you already have central cooling.
Your long-term plans
Compare geothermal with other suitable options using installation estimates and realistic operating-cost assumptions. Your current fuel, equipment condition, and plans for the home help put the investment in context.
Share: Recent fuel and electricity bills, the age of your equipment, your preferred timing, and your main reasons for considering a change.
Understanding your ground-loop options
Closed-loop geothermal systems circulate fluid through buried piping to exchange heat with the ground. Horizontal and vertical layouts achieve this in different ways. The right approach depends on the site and your home’s heating and cooling needs.
Piping is installed in trenches across a suitable area of land. This may be an option for rural properties with enough usable space and conditions that allow excavation.
Piping is installed in drilled boreholes. A vertical layout may suit properties where a horizontal field is impractical, but drilling access and ground conditions still need review.
Simplified illustrations—not to scale. Pipe arrangements, installation depths, and spacing vary by project.
Other configurations include submerged closed loops and open-loop systems that use groundwater. Having a pond or well does not automatically make either suitable. Water conditions, system requirements, and applicable approvals need specialist assessment. Ask which configurations McCrea’s can support for your site.
Geothermal for an existing home
You do not have to be building a new house to consider geothermal. An existing rural home may be a candidate, but the project needs to account for both the ground loop and how heating and cooling will reach each room.
Start with an assessment of your current equipment, comfort concerns, and energy use. The proposed system should reflect the home’s heating and cooling loads—not simply match the size of the equipment being removed.
Discuss Replacing Your System →Planning renovations too? Mention insulation improvements, window replacements, or an addition before system sizing. These changes can affect the heating and cooling your home needs.
Planning the work inside and outside
A geothermal project brings together ground-loop work, indoor equipment, and your home’s distribution system. The scope and sequence depend on the design, site access, and whether you are building new or replacing existing equipment.
Review heating and cooling loads, existing equipment, electrical service, and the available ground-loop area. Identify access restrictions, buried infrastructure, and any further site investigations needed.
Confirm the proposed equipment, loop configuration, distribution changes, and any supplemental heating. Review pricing, required approvals, contractor responsibilities, and the planned installation sequence.
Depending on the design, outdoor work involves trenching or drilling and connecting the ground loop to the home. Indoor work includes the heat pump, controls, and agreed electrical or distribution-system changes.
The completed system needs operating checks and control setup. Ask for an explanation of thermostat use, maintenance requirements, warranty information, and records showing where the ground loop was installed.
Ground work can affect lawns, gardens, and access around the property. Discuss what the work includes and how the home will remain comfortable during an equipment changeover.
Understanding the investment
A useful comparison starts with your home and your current energy use. Review the complete installation cost alongside estimated annual operating costs for geothermal and other suitable heating and cooling options.
The upfront project
The heat pump is only one part of the investment. Ask for an estimate that identifies the outdoor work, indoor changes, and finishing work included.
The ongoing energy use
Savings depend on what geothermal replaces and how the new system performs in your home. A projection should explain the assumptions behind the numbers.
If your current equipment already needs replacing, compare the geothermal project with the installed cost of another suitable replacement system. Ask what any payback estimate includes, which energy prices it assumes, and how maintenance or financing costs are treated. Confirm any incentive eligibility before counting it toward your project budget.
Support for existing geothermal owners
Whether your system needs routine attention, has developed a problem, or is approaching an equipment replacement, start with the details of what is installed. Contact McCrea’s to discuss service availability for your system and location.
Routine care
Follow the maintenance schedule for your equipment. Depending on the system, attention may include filters, airflow, condensate drainage, controls, and checks of heat-pump and loop operation.
Have ready The equipment make and model, installation age if known, and records of previous maintenance.
A change in performance
Uneven temperatures, unusual sounds, fault messages, or increased electricity use can have different causes. An assessment helps identify whether the issue involves equipment, controls, distribution, or the ground-loop system.
Have ready Any displayed fault code, when the problem began, and whether it affects heating, cooling, or both.
Planning ahead
Replacing the indoor heat pump does not automatically mean replacing the ground loop. Reuse depends on its condition, capacity, and compatibility with the proposed equipment and the home’s current needs.
Have ready Original design information, loop records, repair history, and details of changes to the home.
Your geothermal questions
Answers to common questions from rural homeowners considering geothermal around Renfrew, Arnprior, and the surrounding area.
Ground-source heat pumps can provide heating in cold climates because they exchange heat with the ground rather than relying on outdoor air. Performance depends on proper equipment sizing, ground-loop design, and the home’s heating needs. Ask how the proposed system will handle peak winter demand and whether supplemental heat is part of the design.
There is no single acreage requirement that fits every home. Horizontal loops need a suitable area for trenching, while vertical loops generally use less surface area but require drilling access. Ground conditions, heating and cooling loads, wells, septic systems, and other site constraints all influence the layout. Review the ground-loop options before assuming your property is suitable.
It may be an option, subject to assessment of the home and property. Existing ductwork, electrical capacity, equipment space, and ground-loop requirements need review. Ask whether the proposed project includes supplemental heating, duct changes, and removal of the existing equipment or fuel tank. See the retrofit considerations.
A reversible geothermal heat pump can provide heating and cooling. How cooling reaches the rooms depends on the indoor equipment and distribution system. If your home uses radiators or radiant floors, ask what additional equipment would be needed for cooling and humidity control.
Yes. The compressor, circulation pumps, controls, and any fans use electricity. Supplemental electric heat, if installed and operating, also adds to consumption. A geothermal system is not an electricity-free heating source and needs a suitable power supply to operate.
Potential savings depend on your current fuel and equipment, electricity rates, the home’s energy needs, and the proposed system’s seasonal performance. Ask for a comparison that explains its assumptions and includes pumps, fans, and any supplemental heating. Review costs and potential savings using your own energy records.
Ground-loop installation involves outdoor construction, and equipment access can affect the property as well as the loop area. The extent depends on the layout and site. Before work begins, confirm access routes, areas to protect, and who is responsible for backfilling, grading, and landscape restoration.
The indoor heat pump and buried ground loop have different service lives. Equipment life depends on the model, usage, installation, and maintenance; loop life depends on its materials, installation, and condition. Ask about the proposed equipment’s warranty and whether an existing loop could be reused when indoor equipment eventually needs replacement.
Maintenance depends on the equipment and system configuration. Follow the manufacturer’s schedule for homeowner tasks and professional service. Filters, drainage, airflow, controls, and system operation may need attention. See maintenance and service considerations for existing owners.
Share your location, approximate home size, current heating fuel and equipment, and whether this is a new build or an existing home. Recent energy bills and information about available land can help. Start a geothermal project inquiry or call (613) 432-9739 to discuss the next step.
McCrea’s ClimateCare
Whether you are replacing an older heating system or planning a new rural home, start with a conversation about your property and priorities. McCrea’s can discuss the next steps for exploring geothermal heating and cooling.
For homeowners in Renfrew, Arnprior, and surrounding communities. Share your location to confirm service availability for your project.
You do not need a system design to get started. Include the details you already know:
Already have geothermal? Include the equipment make and model and describe the service you need. An online inquiry does not confirm an appointment.
